THE BIRD BOOK 
518. Cassin’s Purple Finch. Carpodacus cassini. 
Range. — North America west of the Rockies, breeding 
from British Columbia south to New Mexico. 
This species is similar to the last hut 
the back, wings and tail are darker and 
the purplish color of the preceding spe- 
cies is replaced by a more pinkish shade. 
The nesting habits and eggs are the 
same as those of the eastern Purple 
Finch; size of eggs .85 x .60. Data. — Greenish blue 
Willis, New Mexico, June 23, 1901. Nest made of twigs 
and rootlets and lined with horse hair. Collector, F. J. 
Birtwell. 
519. House Finch. Carpodacus mexicanus frontalis. 
Range. — United States west of the Plains and from 
Oregon and Wyoming to Mexico. 
This is one of the best known of western 
birds, and nests commonly in all situations 
from trees and bushes to vines growing on 
porches. Their nests are made of rootlets 
and grasses and are lined with horse hair. 
Their nesting season includes all the sum- 
mer months, they raising two and sometimes Greenish 1>lue 
three broods a season. The three to five eggs are pale greenish blue with a few 
sharp blackish brown specks about the large end. Size .80 x .55. 
519b. San Lucas House Finch. Carpodacus mexicanus ruberrimus. 
Range.- -Southern Lower California. A slightly smaller variety of the pre- 
ceding. 
519c. San Clemente House Finch. Carpodacus mexicanus clematis. 
Range.— San Clemente and Santa Barbara Islands. Somewhat darker than 
the last. 
520. Guadalupe Finch. Carpodacus amplus. 
Range. — Guadalupe Island, Lower California. 
Similar to the House Finch, but deeper red and slightly larger. Their nest- 
ing habits and eggs are precisely like those of the House Finch but the eggs 
average larger; size .85 x .60. 
520.1. McGregor’s House Finch. Carpodacus megregori. 
Range. — San Benito Island, Lower California. 
A newly made species, hardly to be distinguished from the last. Eggs pro- 
bably the same. 
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